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Date: Fri, 17 Sep 2010 19:15:14 +0800
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To: cygwin AT cygwin DOT com
Subject: Re: On the new mingw64-i686 packages
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On 9/17/2010 18:48, Angelo Graziosi wrote:
> First of all, thanks a lot for having added these packages to Cygwin :-).
>
> I have installed gcc-core, gfortran and g++ and want to flag the following.
>
> I have a few applications which I compile like this on Cygwin:
>
> $ gfortran -O3 -Wall -mwindows foo.f90 bar.cpp -lstdc++ -s -o foobar
>
> (notice the .f90 and .cpp) where gfortran is the current 4.3.4. The
> above compiles and runs.
>
> Now, I have tried this:
>
> $ mingw32-gfortran -O3 -Wall -mwindows foo.f90 bar.cpp -lstdc++ -s -o
> foobar32
>
> where 'mingw32-gfortran' is a link (in '/usr/local/bin') to
> '/usr/bin/i686-w64-mingw32-gfortran.exe':
>
> mingw32-gfortran -> /usr/bin/i686-w64-mingw32-gfortran.exe
>
> The above compiles just fine, but:
>
> $ ./foobar32 /tmp/foobar32.exe: error while loading shared libraries:
> libstdc++-6.dll: cannot open shared object file: No such file or directory
>
> If I use '-static' option, it rins just fine.
>
> So, should I add something to PATH?
>
> Ciao,
> Angelo.
>

Hi,

It should be in /usr/i686-w64-mingw32/sys-root/mingw/bin/libstdc++-6.dll.

Note that although similarly named, it is not ABI compatible with 
standard mingw gcc-4 libstdc++-6.dll.

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